Why cannot the natural man receive the things of the Spirit?

Answer

"But the natural man receives not the things of the Spirit of God: for they are foolishness unto him: neither
can he know because they are spiritually discerned." 1 Cor. 2: 14.

By what is this cleansing from sin and fitting for God's service accomplished?
Whose example are we urged to imitate?
What reference is made in the Psalms to Christ's use of parables?
What is said of one who robs his father or his mother?
Where will Christ then take His people?
What was the effect of this apostasy?
What has the Lord promised to be to the oppressed?

Questions & Answers are from the book Bible Readings for the Home Circle